Kategorien durchsuchen
Entdecken
Fiverr Pro
Deutsch
$
USD
Zulkefal
@zulkefal155
Level 2
Blockchain Developer and Lead Generator
Pakistan
Englisch, Deutsch, Französisch, Italienisch
Über mich
Blockchain Developer & Data Research Specialist with a proven freelancing journey since 2019. Before graduation, professional services began with lead generation, web research, company contact list building, and Google data extraction, completing 300+ projects with consistent 5-star ratings. After earning a Computer Science degree, services expanded into blockchain development, specializing in ERC-20/721/1155 smart contracts, DeFi and NFT solutions, token swaps, staking, bridging, buyback & burn, Merkle proofs, and ECDSA verification. Contracts are built and tested using Foundry.
Kompetenzen
Zulkefal
15 $/Stunde
offline •
Durchschnittliche Antwortzeit: 1 Stunde
Meine Dienstleistungen
Kundenakquise
I will do targeted b2b lead generation and prospects list building
Kundenakquise
I will scrape google maps business leads with emails
Möchtest du auf Stundenbasis arbeiten?
Erzähle Zulkefal, was du brauchst.
15 $
/
StundePortfolio
Arbeitserfahrung
Blockchain Developer
Quecko • Freiberufler
Dec 2023 - Present • 2 yrs 5 mos
Experienced in developing and deploying secure, gas-efficient smart contracts for DeFi and NFT applications. Strong expertise in ERC-20, ERC-721, and ERC-1155 standards, token swaps, staking, bridging, and advanced tokenomics such as buyback & burn. Skilled in implementing Merkle proofs, ECDSA signature verification, and upgradeable contract patterns. Contracts are built, tested, and deployed using Foundry and Hardhat, with a strong focus on security, performance, and best practices. Services include custom smart contract development, audits and optimizations, mainnet/testnet deployment, and Web3 integration across Ethereum and EVM-compatible blockchains.
165 Bewertungen
| (156) | ||
| (8) | ||
| (0) | ||
| (0) | ||
| (1) |
Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
1–5 von 165 Bewertungen
Sortieren nach:
Am relevantesten
centralio_1
Kanada
This was my first time but we received a lot of valuable support. We will repeat again without a doubt. Thank you
Antwort des Freelancers
Hilfreich?
bruno_buisine
Wiederkehrender Kunde
Kanada
Hilfreich?
loughlinnestor
Irland
Antwort des Freelancers
Hilfreich?
johnwhunt
Wiederkehrender Kunde
Australien
Hilfreich?
johnwhunt
Wiederkehrender Kunde
Australien
Hilfreich?
